CN1493448A - Moule capabld of eliminating external welding veslige of injection moulding pored product and its use method - Google Patents
Moule capabld of eliminating external welding veslige of injection moulding pored product and its use method Download PDFInfo
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- CN1493448A CN1493448A CNA031391117A CN03139111A CN1493448A CN 1493448 A CN1493448 A CN 1493448A CN A031391117 A CNA031391117 A CN A031391117A CN 03139111 A CN03139111 A CN 03139111A CN 1493448 A CN1493448 A CN 1493448A
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Abstract
A mould able to eliminating the fusing tracing on the external surface of the perforated plastic product made by injection mould is composed of upper and lower halves. The inlaying core is arranged on the back of each half mould, where there is a hole. When the injected plastics is in soft state, said inlaying core is driven by a driven mechanism to axially move for forming a hole.
Description
(1) technical field
The present invention relates to the improvement of injection mold, specifically is a kind of mould and the using method thereof that can eliminate the porose products appearance weld mark of injection moulding, and it belongs to technical field of injection molding.
(2) background technology
The Shooting Technique of prior art is in injection molding process, when the fusion angle of two strands of melts is spent less than 135, will form weld mark at plastic product surface, and the surface of plastic products that has often will be set the goods hole, and the inclusion that this just has two bursts of material feedings has unavoidably formed weld mark thus.This weld mark not only influences the outward appearance of plastic products, and has reduced the intensity of plastic products.Yet the client is unacceptable for the outward appearance product that weld mark is arranged.Traditional injection moulding process can not be eliminated this weld mark.At present, a tree name report has a kind of way of eliminating weld mark, but its cost is too high, and troublesome poeration is difficult for realizing.Also having a kind of method that solves the porose weld mark of surface of plastic products is to adopt back processing to handle, promptly be injection molded into flat part after, adopt the laser cutting technique cutting to form the hole again.Such PROCESS FOR TREATMENT, not only troublesome poeration, and its cost also is very high.
(3) technology contents
The objective of the invention is to solve the method for eliminating the porose weld mark of surface of plastic products, a kind of mould and the using method thereof that can eliminate the porose products appearance weld mark of injection moulding is provided.This mould cost that will possess skills is low, simple to operate, and the characteristics that have wide range of applications can be used for the plastic products that there is all kinds hole on the surface, eliminates the weld mark at place, goods hole fully, to improve product surface quality.
Task of the present invention is finished by following technical scheme, has developed a kind of mould that can eliminate the porose products appearance weld mark of injection moulding, and it comprises, upper and lower half module body.Set on the porose position at two dorsal surfaces of upper and lower half module system product die cavity, be provided with respectively and this hole shape edge core I coupling, coaxial line and edge core II, on upper and lower half module body, be provided with the driving mechanism of edge core I and edge core II, this mechanism drives two these edge cores respectively to finish along its axis direction, the soft syrup-filling melt in the goods die cavity is cut set goods hole action.
Described driving mechanism, it drives inclined plane slide block for passing through oil cylinder or cylinder, thereby drives the transmission mechanism of edge core; Promptly in the arranged outside track regions of edge core, be provided with the slide block orbit identical or parallel with this edge wire mandrel direction in this district, this slide block is in this edge core outside, and touches this edge core of driving in this track; Also be provided with the oil cylinder piston post orbit vertical with this slide block orbit direction in this district, this piston boit is in the bottom, inclined-plane of this slide block, and touches this slide block movement of drive in this track.
A kind of use process that can eliminate the porose products appearance weld mark of injection moulding mould, injection moulding is just filled when finishing in the goods die cavity, starts oil cylinder or cylinder at once, moves along the slide block orbit by oil cylinder or the moving inclined plane slide block of cylinder piston cornice; When this slide block moves in this track, touch driving the motion in the other direction simultaneously of two these edge cores respectively, this move distance of two these edge cores is the wall thickness of the porose goods of injection moulding; This motion of two these edge cores is to be in softer material feeding melt between two these edge cores, cutting is shifted onto in the porose goods of the injection moulding residing half module body of a certain edge core in addition, this moment, another edge core was inserted in the material feeding melt material level of these goods, promptly finish these goods and set porose cutting action, formed the hole shape of these goods; Then injection machine is carried out pressurize, the surface quality of these goods is carried out the part compensation, thereby obtain the finished product of the porose goods of required injection moulding of better quality.
The invention has the advantages that: because last, two dorsal surfaces of female die system product die cavity are set on the porose position, setting and this hole shape mate respectively, the edge core I of coaxial line and edge core II, be provided with two these edge cores on, second die body is provided with and drives two these edge cores respectively and finish along its axis direction, soft syrup-filling melt in the goods die cavity is cut the driving mechanism of setting the action of goods hole, make the postprocessing working procedures of the porose goods of injection moulding combine with the injection moulding operation, the softer characteristics of material feeding melt when utilizing injection mo(u)lding, when in this material feeding melt just has been filled in the goods die cavity of mould, finishing, at once drive slide block by oil cylinder or cylinder, and then drive two these edge cores, finished setting the cutting action in hole, formed the hole shape in this goods hole.After this cutting is finished, carry out pressurize again, the surface quality of the porose goods of injection moulding is unaffected.Thereby realized that technical costs is low, simple to operate, have wide range of applications, can be used for the plastic products that there is all kinds hole on the surface, eliminate the weld mark at place, goods hole fully, to improve the goal of the invention of product surface quality.
(4) accompanying drawing and embodiment
The embodiments of the invention accompanying drawings is as follows, and protection scope of the present invention is not only limited in an embodiment.
Fig. 1 is for eliminating the structure sectional elevation of the porose products appearance weld mark of injection moulding mould.
Referring to Fig. 1, make the mould that can eliminate the porose products appearance weld mark of injection moulding, it comprises, upper and lower half module body 8,9.Set at two dorsal surfaces of upper and lower half module body 8,9 goods die cavities on porose 10 the position, be provided with respectively and this hole edge core 10 form fit, coaxial line I2 and edge core II3, on upper and lower half module body 8,9, be provided with the driving mechanism of edge core I2 and edge core II3, this mechanism drives two this edge core I2, II3 respectively to finish along its axis direction, the soft syrup-filling melt in the goods die cavity is cut set goods hole action.
Described driving mechanism, it is for to drive inclined plane slide block 1 and 4 respectively by oil cylinder 5 and 7, thereby drives the transmission mechanism of two this edge core I2, II3; Promptly in the two arranged outside track regions that should inlay core I2, II3, be provided with in this district and two this edge core I2, the identical or parallel slide block orbit 11 of II3 axis direction, 12, two these slide blocks 1 and 4 are in two this edge core I2, the II3 outside, and in two these tracks 11,12, touch respectively and drive two this edge core I2, II3; Also be provided with in this district and the vertical oil cylinder piston post orbit 14,15 of two these slide block orbit 11,12 directions, this piston boit 13,16 is in the bottom, inclined-plane of two these slide blocks 1,4 respectively, and touches this slide block 1,4 motion of drive in two these tracks 14,15.
The use process that can eliminate the porose products appearance weld mark of injection moulding mould of the present invention, injection moulding is just filled when finishing in the goods die cavity, starts oil cylinder 5 and 7 at once respectively, by oil cylinder 5 and 7 piston boits 13,16 drive inclined plane slide block 1,4 moves along slide block orbit 11 and 12; This slide block 1,4 touches driving two this edge core I2, II3 simultaneously to motion in the other direction respectively when moving in this track 11,12, this move distance of two this edge core I2, II3 is the wall thickness of the porose goods of injection moulding; This motion of two this edge core I2, II3 is to be in softer material feeding melt between two this edge core I2, the II3, cutting is shifted onto among the porose goods of the injection moulding a certain edge core I2 or the residing half module body 8 of II3 or 9 in addition, this moment, another edge core II3 or I2 were inserted in material feeding melt 6 material levels of these goods, promptly finish these goods and set porose 10 cutting action, formed the shape in this goods hole 10; Then injection machine is carried out pressurize, the surface quality of these goods is carried out the part compensation, thereby obtain the finished product of the porose goods of required injection moulding of better quality.
Specific embodiment of the present invention is: will inlay on the dorsal surface of first die body 8 die cavities that core I2 is arranged on the goods mould; And will inlay under the dorsal surface that core II3 is arranged on second die body 9 die cavities.The spacing of two this edge core I2, II3 is the wall thickness of the plastic products that will inject.When the injection beginning, the position of these goods porose 10 is injected into the goods wall by material feeding melt 6 earlier, so there is not weld mark.When injection filling material feeding melt 6 had just been finished, oil cylinder 5 began action at once, and this oil cylinder 5 drives edge core I2 by coupled slide block 1 and moves downward, and edge core II3 spurs edge core II3 at oil cylinder 7 by coupled slide block 4 and moves downward simultaneously.The move distance of two this edge core I2, II3 is the thickness of this goods wall.The material feeding melt 6 softer wall melt cuttings that this motion will be between two this edge core I2, the II3 are shifted this onto below the goods wall, promptly inlay in the residing half module body 9 of core II3.Inlay this moment in material feeding melt 6 material levels that core I2 has been inserted into these goods, form the shape (hole shape of required setting can be the shape in all kinds hole, and the two radial section shapes that should inlay core I2, II3 are then determined according to the hole shape of required setting) in this goods hole 10.Injection machine carries out pressurize then, surperficial poor quality's part is compensated, thereby obtain the product of the porose goods of high-quality required injection moulding.Oil cylinder 5,7 of the present invention can replace with cylinder, all should be subjected to protection of the present invention as long as can finish the mechanism of edge core cutting action in this mould.
Claims (3)
1, a kind of mould that can eliminate the porose products appearance weld mark of injection moulding, it comprises, upper and lower half module body, it is characterized in that: set on the porose position at two dorsal surfaces of upper and lower half module system product die cavity, be provided with respectively and this hole shape edge core I coupling, coaxial line and edge core II, on the upper and lower half module body that is provided with two edge cores, be provided with the driving mechanism of edge core I and edge core II, this mechanism drives two these edge cores respectively to finish along its axis direction, the soft syrup-filling melt in the goods die cavity is cut set goods hole action.
2, according to the described mould that can eliminate the porose products appearance weld mark of injection moulding of claim 1, it is characterized in that: described driving mechanism, it drives inclined plane slide block for passing through oil cylinder or cylinder, thereby drives the transmission mechanism of edge core; Promptly in the arranged outside track regions of edge core, be provided with the slide block orbit identical or parallel with this edge wire mandrel direction in this district, this slide block is in this edge core outside, and touches this edge core of driving in this track; Also be provided with the oil cylinder piston post orbit vertical with this slide block orbit direction in this district, this piston boit is in the bottom, inclined-plane of this slide block, and touches this slide block movement of drive in this track.
3, according to the described use process that can eliminate the porose products appearance weld mark of injection moulding mould of claim 1, it is characterized in that: injection moulding is just filled when finishing in the goods die cavity, at once start oil cylinder or cylinder, move along the slide block orbit by oil cylinder or the moving inclined plane slide block of cylinder piston cornice; When this slide block moves in this track, touch driving the motion in the other direction simultaneously of two these edge cores respectively, this move distance of two these edge cores is the wall thickness of the porose goods of injection moulding; This motion of two these edge cores is to be in softer material feeding melt between two these edge cores, cutting is shifted onto in the porose goods of the injection moulding residing half module body of a certain edge core in addition, this moment, another edge core was inserted in the material feeding melt material level of these goods, promptly finish these goods and set porose cutting action, formed the hole shape of these goods; Then injection machine is carried out pressurize, the surface quality of these goods is carried out the part compensation, thereby obtain the finished product of the porose goods of required injection moulding of better quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031391117A CN1493448A (en) | 2003-08-14 | 2003-08-14 | Moule capabld of eliminating external welding veslige of injection moulding pored product and its use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031391117A CN1493448A (en) | 2003-08-14 | 2003-08-14 | Moule capabld of eliminating external welding veslige of injection moulding pored product and its use method |
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| Publication Number | Publication Date |
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| CN1493448A true CN1493448A (en) | 2004-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA031391117A Pending CN1493448A (en) | 2003-08-14 | 2003-08-14 | Moule capabld of eliminating external welding veslige of injection moulding pored product and its use method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571462B (en) * | 2009-05-22 | 2011-04-27 | 苏州禾盛新型材料股份有限公司 | Sample mould for predicting heat sealing performance of modified plastics |
| CN103722692A (en) * | 2013-11-30 | 2014-04-16 | 天津博信汽车零部件有限公司 | Mold cavity structure of injection mold for manufacturing product with hole and products adopting mold cavity structure |
| CN106965371A (en) * | 2016-01-13 | 2017-07-21 | 哈尔滨飞机工业集团有限责任公司 | A kind of injection moulding process of hole straight forming |
| CN109732855A (en) * | 2019-03-13 | 2019-05-10 | 延锋彼欧汽车外饰系统有限公司 | A kind of mold of achievable product wall thickness change |
| CN111716646A (en) * | 2019-03-22 | 2020-09-29 | 苏州汉扬精密电子有限公司 | Injection mold structure |
-
2003
- 2003-08-14 CN CNA031391117A patent/CN1493448A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571462B (en) * | 2009-05-22 | 2011-04-27 | 苏州禾盛新型材料股份有限公司 | Sample mould for predicting heat sealing performance of modified plastics |
| CN103722692A (en) * | 2013-11-30 | 2014-04-16 | 天津博信汽车零部件有限公司 | Mold cavity structure of injection mold for manufacturing product with hole and products adopting mold cavity structure |
| CN106965371A (en) * | 2016-01-13 | 2017-07-21 | 哈尔滨飞机工业集团有限责任公司 | A kind of injection moulding process of hole straight forming |
| CN109732855A (en) * | 2019-03-13 | 2019-05-10 | 延锋彼欧汽车外饰系统有限公司 | A kind of mold of achievable product wall thickness change |
| CN111716646A (en) * | 2019-03-22 | 2020-09-29 | 苏州汉扬精密电子有限公司 | Injection mold structure |
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